22002022222212 has 12 divisors (see below), whose sum is σ = 51338051851856. Its totient is φ = 7334007407400.

The previous prime is 22002022222207. The next prime is 22002022222217. The reversal of 22002022222212 is 21222222020022.

It is an interprime number because it is at equal distance from previous prime (22002022222207) and next prime (22002022222217).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22002022222217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916750925914 + ... + 916750925937.

Almost surely, 2^{22002022222212} is an apocalyptic number.

It is an amenable number.

22002022222212 is an abundant number, since it is smaller than the sum of its proper divisors (29336029629644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002022222212 is a wasteful number, since it uses less digits than its factorization.

22002022222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833501851858 (or 1833501851856 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22002022222212 its reverse (21222222020022), we get a palindrome (43224244242234).

The spelling of 22002022222212 in words is "twenty-two trillion, two billion, twenty-two million, two hundred twenty-two thousand, two hundred twelve".